Table of Contents
1ObjectivesconcerningTables1to4/E.422
2Manualorsemi-automaticobservations(Table1/E.422)
3CommentsconcerningtheuseofTable1/E.422
4HowtofillinTable1/E.422
5AutomaticobservationsforCCITTSignalingSystems
otherthanSignalingSystemNo.7(Table2/E.422)
6CommentsconcerningtheuseofTable2/E.422
7HowtofillinTable2/E.422
8AutomaticobservationforSignalingSystemNo.7-
TUP(Table3/E.422)
9CommentsconcerningtheuseofTable3/E.422
10HowtofillinTable3/E.422
11AutomaticobservationsforCCITTSignalingSystem
No.7-ISUP(Table4/E.422)
12CommentsconcerningtheuseofTable4/E.422
13HowtofillinTable4/E.422 Abstract
Describes service observation in the international service in order to assess the quality of service obtained by the calling subscriber. It is essential to have factual or objective recording of observations (i.e. successful and unsuccessful calls), and to present them in the form of tables.